Inserts are supplied including a rocker / cover and protective cover. Fastening using screws or spreading claws - inserts for screw fastening can be retrofitted with spreading claws Order No. 6650 99. Connection using plug-in (SL) or screw terminals (SK). To be equipped with LED unit for lighting function Order No. 6650 90 / 92 or control function Order No. 6650 91.